356 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



P. acericola Walsh and Riley. 



Am. Ent, i, 14, 1868. 



Very conspicuous on the under side of the leaves of soft maple. 

 Recorded from Massachusetts, New York, and New Jersey, and 

 may be found in Connecticut. 



P. vitis Linnaeus, innumerabilis Rathvon. Cottony maple scale. 

 (PL xiii, 9.) 



Syst. Nat, Edn. 10, 456, 1758; Perm. Farm Jour., 256, 1854. 



Common on twigs of soft maple and other trees and shrubs. 



Norwich, 12 Sept., 1905; Branford, 2 June, 1906; Bridgeport, 19 July, 

 1910; 29 June, 1912; 8, 14 July, 1913; Hartford, 8 July, 1910, 13 June, 

 1922; Cheshire, 1 Oct., 1913, 13 June, 1922; Danbury, 6 June, 1914; Sound 

 Beach, 15 June, 1921 ; South Norwalk, 2 July, 1912; Milford, 19 June, 1913; 

 New Haven, 16 June, 1910, 30 July, 1917; Wethersfield, 7 July, 1916. 



Eucalymnatus Cockerell. 



Female only slightly convex, elongate-oval, irregular, with deep 

 anal cleft; entire surface marked off into plate-like areas. Only 

 a single species is likely to occur in the state, and that attacks a 

 variety of plants in the greenhouse. 

 E. tessellatus Signoret. 



Ann. Soc. Ent. Fr., iii, 401, 1873. 



Not yet recorded from Connecticut. 



Coccus Linnaeus. 



Female slightly convex, oval, derm pores scattered, small: 

 middle spiracular hair more than twice as long as outer two ; anal 

 ring with eight hairs. Occurring on greenhouse plants. 



Key to Species. 



Body oval; antennae normally with seven segments hesperidum 



Body elongate; antennae normally with eight segments elongatus 



C. elongatus Signoret. longulus Douglas. 



Ann. Soc. Ent. Fr., iii, 404, 1873; Ent Mon. Mag., xxiv, 97, 1887. 



Not yet recorded from Connecticut, but reported from 

 Massachusetts and New York. 

 C. hesperidum Linnaeus. Soft scale. 



Syst. Nat., Edn. 10, 455, 1758. 



Common in New Haven on various plants in greenhouses. Also West 

 Cornwall, 17 April, 1911; Wallingford, 23 March, 1915; Hartford, 16 

 July, 1915. 



Toumeyella Cockerell. 



Body strongly convex, oval to circular, often hemispherical, 

 though irregular. Antennae and legs rudimentary. Spiracular 

 spines short, stout and nearly equal in length. Anal ring bearing 

 ten hairs. 



